more measurements on population
net migration is the difference between the # of people entering and leaving a country during 1 year
an excess of people entering the country is net immigration
written as a positive number
EX: canada has 5.65 migrants per 1000 population
an excess of people leaving the country is net emigration
written as a negative number
EX: Mexico has -1.68 migrants per 1000 population
why do people migrate?
push:
- war
- environmental degradation
- unemployment or underemployment
- religious or ethnic persecution
pull:
- better economic opportunity
- better health services
- religious freedom
- political freedom
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